Table 1.
Characteristics of 12,164 patients presenting to emergency departments with an acute exacerbation of chronic obstructive pulmonary disease based on their investigations for pulmonary embolism.
Fig 1.
Flow diagram of cohort development.
Abbreviations: AECOPD = acute exacerbation of COPD; CT = computer tomography; ED = Emergency department; PE = pulmonary embolism; V/Q = Ventilation-perfusion lung scan; AMI = acute myocardial infarction; ACS = acute coronary syndrome.
Fig 2.
Patients evaluated for pulmonary embolism during their ED visit.
a = if age-adjusted D-dimer cut-off employed.
Table 2.
Outcomes of 12,164 patients presenting to emergency departments with an acute exacerbation of chronic obstructive pulmonary disease based on their investigations for pulmonary embolism.
Table 3.
Factors associated with investigations for pulmonary embolism among patients presenting to emergency departments with an acute exacerbation of chronic obstructive pulmonary disease.